Boston breaks record on balmy fall day – The Boston Globe

Boston broke the day by day excessive temperature report Sunday because the area awoke to its third day of unseasonably heat climate.

The temperature at Logan Worldwide Airport was already 75 levels at 11:15 a.m., clearing the report excessive of 73 levels set in 1938, 1948, 1959, and 2015, in keeping with the Nationwide Climate Service.

The temperature is forecast to rise to round 75 or 76 levels at Logan, in keeping with Torry Gaucher, a meteorologist with the climate service’s Norton workplace.

Temperatures are anticipated to be even greater west of Boston, in areas that lack the ocean breezes that cool Logan, Gaucher stated. Temperatures may go as excessive as 78 levels within the Again Bay and the Metro West area, Gaucher stated.

Information might be damaged in Worcester and Lawrence Sunday as nicely, he stated.

The nice and cozy climate is prone to proceed on Monday with a excessive of about 73 levels possible, Gaucher stated.

The climate is irregular however not unparalleled.

The common high and low temperature for Boston this time of 12 months are 41 levels and 55 levels, Gaucher stated. Final 12 months, as an example, the excessive in Boston was 51 levels. The low temperature recorded as of 11:15 a.m. on Sunday was 10 levels above the seasonal common excessive temperature at 65 levels, he stated.

If the forecast holds on Monday, Boston may have skilled a stretch of 4 days over 70 levels in November.

That’s not unprecedented, Gaucher stated. It’s occurred in 1930, 1953, and 2020; 1938 noticed 4 days over 70 from Nov. 21 to Nov. 24, he stated.

The streak will possible finish Tuesday, when the Nationwide Climate Service forecast temperature will fall to a way more seasonable excessive within the decrease 50s.

“We’ll have a cooldown Tuesday and Wednesday,” Gaucher stated. “Then temperatures, they’ll be bouncing again up into the mid-60s Thursday, Friday.” The hotter than regular climate received’t break till someday subsequent week, Gaucher stated.

There are two causes of the unseasonable climate: A “pretty giant” high-pressure zone is sitting over the Atlantic rotating air clockwise, bringing heat, muggy air up from the south, Gaucher stated, whereas a “subtropical ridge,” which is a band of excessive stress, at the moment extends throughout the U.S. and southern Canada.

“All that chilly air is actually locked in northern Canada,” Gaucher stated.

Alexander Thompson may be reached at alexander.thompson@globe.com. Observe him on Twitter @AlMThompson